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Fly-by-wire mechanical control system

Inactive Publication Date: 2018-11-29
SIKORSKY AIRCRAFT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a fly-by-wire mechanical control system for aircraft that includes an engine control spindle, engine control cables, and electro-mechanical actuators. The system also includes an aircraft control member with a first control inceptor and a second control inceptor. The first control inceptor is connected to the engine control spindle, and the second control inceptor is connected to the electro-mechanical actuators. The system can also include a feedback system that provides information about the engine control cables. The technical effects of this system include improved engine control and efficiency in aircraft operation.

Problems solved by technology

Removing the mechanical linkages, and re-fitting the VTOL aircraft to accommodate fly-by-wire system is a time consuming and costly process.

Method used

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Examples

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Embodiment Construction

[0033]A detailed description of one or more embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.

[0034]A vertical take-off and landing (VTOL) aircraft 10 having an airframe 12 including an extending tail 14. Airframe 12 supports a main rotor assembly 18 having a plurality of rotor blades, one of which is indicated at 19 that rotate about an axis “A”. VTOL aircraft 10 also includes a cockpit 20 having a first seat 22 and a second seat 23. First and second seats 22 and 23 may accommodate a pilot and a co-pilot for example. VTOL aircraft 10 also includes a passenger compartment 28 that may accommodate individuals, cargo or the like.

[0035]VTOL aircraft 10 also includes one or more prime movers 30 which, in the exemplary embodiment shown, take the form of a first engine 32 and a second engine 33. First and second engines 32 and 33 are mechanically linked to a gearbox 36 which, in turn, is mechani...

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PUM

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Abstract

A fly-by-wire mechanical control system including at least one engine control spindle mechanically connectable to an aircraft prime mover, at least one engine control cable including a first end connected to the at least one engine control spindle, a second end, and an intermediate portion extending therebetween, and at least one electro-mechanical actuator mechanically connected to the second end of the at least one engine control cable and electrically connected to an aircraft control member.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application Ser. No. 62 / 510,324, filed May 24, 2017, which is incorporated herein by reference in its entirety.STATEMENT OF FEDERAL SUPPORT[0002]This invention was made with Government support under HR0011-15-9-0004 awarded by the Defense Advanced Research Projects Agency (DARPA). The Government has certain rights in the invention.BACKGROUND[0003]Exemplary embodiments pertain to the art of vertical take-off and landing (VTOL) aircraft and, more particularly, to a fly-by-wire mechanical control system for a VTOL aircraft.[0004]Conventional VTOL aircraft include control input mechanisms such as a collective, pedals, and a stick. Each of the control input mechanisms are coupled to controllable members, such as a rotor hub, engine control spindles, and the like through corresponding mechanical linkages. That is, there is a direct physical connection between the control input mechanisms a...

Claims

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Application Information

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IPC IPC(8): B64C13/50B64C27/04
CPCB64C13/503B64C27/04B64D31/14
Inventor CURRIVAN, ASHLEY M.SHIELDS, PAUL
Owner SIKORSKY AIRCRAFT
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